<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<dialog>
		    Native dialog box!
		</dialog>
		<p>
			<button onclick="closed()">关闭</button>
			<button onclick="show()">显示</button>
		</p>
		
		<script type="text/javascript" src="js/extends.js" ></script>
		<script>
			//es6_demo();
		</script>
	</body>
</html>
